A custom steel plug template for tunnel lining refers to specialized steel formwork or molds used in the construction of tunnels. These plugs or templates are crucial for creating the precise shape and dimensions of the tunnel lining, whether it’s for in-situ concrete pours or for manufacturing precast concrete segments.
How to Customize Tunnel Lining Steel Plug Formwork
Purpose and Function:
Shaping the Tunnel Lining: The primary function is to define the exact geometry of the tunnel’s inner surface. This includes the circular or other specified cross-section, as well as any features like recesses for utilities, grout holes, or connection points for subsequent lining rings.
Ensuring Accuracy and Quality: Steel offers high rigidity and precision, which is essential for achieving a smooth and consistent concrete finish and for ensuring that tunnel segments fit together perfectly.
Durability and Reusability: Custom steel templates are designed for multiple uses, making them cost-effective for long tunnel projects or repeated segment production. They can withstand the pressures of concrete pouring and repeated stripping.
Facilitating Construction: These templates often integrate features that aid the construction process, such as:
Stripping mechanisms: Designs that allow for easy and efficient removal of the formwork once the concrete has cured.
Integrated heating/cooling: For controlling concrete curing times in varying environmental conditions.
Walkways and access points: For workers to safely place rebar, vibrators, and other equipment.
Guidance systems: For alignment during installation of segments or during in-situ pouring.
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